<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>My first three.js app</title>
    <style>
        body {
            margin: 0;
        }
    </style>
</head>

<body>
    <script type="importmap">
            {
              "imports": {
                "three": "https://cdn.jsdelivr.net/npm/three@0.157.0/build/three.module.js",
                "three/addons/": "https://cdn.jsdelivr.net/npm/three@0.157.0/examples/jsm/"
              }
            }
          </script>
    <script  type="module">
        import * as THREE from 'three';

        const scene = new THREE.Scene();
        const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);

        const renderer = new THREE.WebGLRenderer();
        renderer.setSize(window.innerWidth, window.innerHeight);
        document.body.appendChild(renderer.domElement);

        const geometry = new THREE.BoxGeometry(1, 1, 1);
        const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
        const cube = new THREE.Mesh(geometry, material);
        scene.add(cube);

        camera.position.z = 5;

        function animate() {
            requestAnimationFrame(animate);

            cube.rotation.x += 0.01;
            cube.rotation.y += 0.01;

            renderer.render(scene, camera);
        }

        animate();
    </script>
</body>

</html>